Kylie Jenner's world is about to come crumbling down. There's a new report that suggests the reality television star has been dabbling in drugs and that she has been cheating on her boyfriend Tyga with a rapper she called Daddy.

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According to In Touch Weekly's print edition this week (via Naughty Gossip), sources close to the controversial celebrity say that her personal life is spinning out of control, as she has been surrounding herself by all the wrong people, along with plenty of bad influences.

The 18-year-old has long been criticized for her relationship with 25-year-old Tyga and her ever-changing appearance, but now it looks like things are about to get even worse for her.

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A source told the publication, "Her world is much stranger and darker than the other Kardashians, and she has found herself caught up in a world of sex, drugs, and violence."

What's more, a rapper called Stitches is claiming that they had sex, even though she is supposedly in a committed relationship with Tyga.

He said, "I had sex with her. We did it all. [We did] some drugs. She called me daddy. She didn't bring up Tyga, not one time."

So far, neither Kylie nor the Kardashians have made any comments about the report.

Keep up with Enstars for all the latest news on Kylie Jenner, Tyga and all of your favorite reality television stars.

Tags: Kylie Jenner